Keyphrases
- language model
- role playing
- language modeling
- document retrieval
- n gram
- probabilistic model
- test collection
- speech recognition
- language modelling
- information retrieval
- query expansion
- retrieval model
- context sensitive
- ad hoc information retrieval
- statistical language models
- language models for information retrieval
- machine learning
- okapi bm
- language model for information retrieval
- document ranking
- vector space model
- smoothing methods
- query specific
- word error rate
- translation model
- context dependent
- query terms
- language modeling approaches
- recommender systems